Size Chart
Size	Back Length (inch)	*Chest Length (inch)	Neck (inch)
XXS (up to 4 lbs)	up to 9"	up to 11"	up to 8"
XS	10"	12"	9"
S	12"	15"	10"
M	14"	17"	12"
L	16"	19"	13"

*The most important measurement is the Chest Length.

If measurement is between sizes, we recommend going up one size.

If the dog is stout or over weight,please go up one size

If the dog is long-backed, like a Dachshund, a smaller size is recommended.